A winter storm in the Northeast U.S. will depart today with heavy snow in the region and over a portion of the central Appalachians tapering off through this afternoon and evening. Lake effect snow downwind of the lower Great Lakes and a potential for blinding snow squalls over the Ohio Valley will linger through tonight. Strong offshore Santa Ana winds are expected today in southern California. Read More >
Decision Support Weather Briefing
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Hazardous Weather Outlook
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Current Conditions
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| Local Radar | Regional Radar |
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| Surface Observations | Regional Satellite |
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Severe Weather Outlook
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| Day 1 Outlook | Day 2 Outlook | Day 3 Outlook |
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Severe Weather Watches and Mesoscale Discussions
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| Watches | Mesoscale Discussions |
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Heavy Snow Probability
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| Day 1 Heavy Snow | Day 2 Heavy Snow | Day 3 Heavy Snow |
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Heavy Ice Probability
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| Day 1 Heavy Ice | Day 2 Heavy Ice | Day 3 Heavy Ice |
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Excessive Rainfall Probability
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| Day 1 Excessive Rainfall | Day 2 Excessive Rainfall | Day 3 Excessive Rainfall |
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Quantitative Precipitation Forecast
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| Day 1 Precipitation | Day 2 Precipitation | Day 3 Precipitation |
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Significant River Flood Outlook
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| Lower Mississippi Valley | Southeast United States |
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Tropical Weather Outlook
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